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Discrete FIR filter-based Control
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DOI：10.1016/j.isatra.2024.12.032.png)
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In control system design, managing measurement noise is a critical challenge, requiring a balance between responsiveness and noise suppression. Traditional methods often involve trade-offs, compromising either aspect. This paper proposes a novel solution by integrating a Finite Impulse Response (FIR) filter within the discrete controller transfer function, coupled with disturbance rejection through the Internal Model Principle (IMP). This approach decouples tracking reference dynamics from noise attenuation, ensuring precise disturbance rejection and reference tracking. Numerical analysis highlights significant immunity to high-frequency noise compared to established methods. Practical feasibility is demonstrated through two experimental validations: implementation on a Programmable Logic Controller (PLC) and robustness testing with a DC-DC boost converter in a high-noise environment, underscoring its applicability in real-world industrial scenarios.
Keyword:
FIR filter
Noise attenuation
Flat filter
期刊
IF:
6.5
论文数:
6.0K
被引数:
2.0W
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